476AXZ6R3M Equivalent & Substitute Parts

Part Overview

The 476AXZ6R3M is a 47 µF, 6.3 V aluminum electrolytic capacitor in surface mount radial can package manufactured by Cornell Dubilier / Illinois Capacitor. This component is classified as Active product status and is designed for general purpose applications. The part is ROHS3 compliant with unlimited moisture sensitivity level (MSL 1) and is suitable for circuits requiring stable capacitance performance across the operating temperature range of -55°C to 105°C. Substitute parts are identified to provide alternative sourcing options when the primary part number is unavailable or when design requirements necessitate enhanced electrical performance characteristics.

Substiute Parts

476AXZ6R3M

Cornell Dubilier / Illinois CapacitorIn Stock: 771476AXZ6R3M Datasheet

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ATB476M6R3

Cornell Dubilier / Illinois CapacitorIn Stock: 21023ATB476M6R3 Datasheet

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Key Parameters

Substitute Part Grouping Explanation

Substitution of the 476AXZ6R3M with the ATB476M6R3 is valid based on the following electrical and mechanical parameters:

Matching Parameters (Substitution Basis):

• Capacitance: 47 µF (identical)
• Voltage Rating: 6.3 V (identical)
• Tolerance: ±20% (identical)
• Operating Temperature Range: -55°C to 105°C (identical)
• Polarization: Polar (identical)
• Mounting Type: Surface Mount (identical)
• Package / Case: Radial, Can - SMD (identical)
• RoHS Status: ROHS3 Compliant (identical)
• Moisture Sensitivity Level: 1 (identical)
• REACH Status: REACH Unaffected (identical)
• ECCN: EAR99 (identical)
• HTSUS: 8532.22.0020 (identical)

Electrical Performance Differences: The ATB476M6R3 demonstrates improved electrical characteristics including lower ESR (3.39 Ohm @ 120Hz versus 8.47 Ohm), extended lifetime (3000 Hrs @ 105°C versus 2000 Hrs @ 105°C), and higher ripple current ratings at both low and high frequencies.

Parameter Comparison

Engineering Selection Recommendations

Both the 476AXZ6R3M and ATB476M6R3 are Active product status components manufactured by Cornell Dubilier / Illinois Capacitor and meet ROHS3 compliance requirements. The ATB476M6R3 is electrically equivalent to the 476AXZ6R3M with respect to capacitance, voltage rating, tolerance, and operating temperature range. Both parts are REACH Unaffected and classified under ECCN EAR99.

The ATB476M6R3 offers enhanced electrical performance characteristics including reduced ESR, extended operational lifetime at elevated temperature, and increased ripple current capacity. The physical dimensions differ slightly in height and surface mount land size, requiring verification of PCB layout compatibility prior to implementation.

Selection between these parts depends on application-specific requirements for ESR performance, lifetime expectations, and ripple current demands, balanced against PCB layout constraints and packaging availability.

Frequently Asked Questions (FAQ)

Q: Can the ATB476M6R3 directly replace the 476AXZ6R3M in all applications?

A: The ATB476M6R3 is electrically equivalent in capacitance, voltage rating, tolerance, and operating temperature range. However, the ATB476M6R3 has a maximum seated height of 0.224" (5.70mm) compared to 0.217" (5.50mm) for the 476AXZ6R3M, and different surface mount land sizes. PCB layout clearance and land pattern compatibility must be verified before substitution.

Q: What are the key electrical differences between these parts?

A: The ATB476M6R3 provides lower ESR (3.39 Ohm versus 8.47 Ohm @ 120Hz), extended lifetime (3000 Hrs versus 2000 Hrs @ 105°C), and higher ripple current ratings (112 mA versus 75 mA @ 120 Hz, and 160 mA versus 150 mA @ 100 kHz).

Q: Are both parts RoHS compliant?

A: Both the 476AXZ6R3M and ATB476M6R3 are ROHS3 Compliant with unlimited moisture sensitivity level (MSL 1).

Q: What is the difference in packaging between these parts?

A: The 476AXZ6R3M is supplied in standard packaging, while the ATB476M6R3 is supplied in Tape & Reel (TR) format. Both are surface mount radial can packages with identical diameter (0.197" / 5.00mm) but different heights and land sizes.

Q: Are there any regulatory or export restrictions on these parts?

A: Both parts are classified under ECCN EAR99 and HTSUS 8532.22.0020, with REACH Unaffected status, indicating no additional regulatory restrictions beyond standard component handling requirements.